Phrynobatrachus sandersoni

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Phrynobatrachus sandersoni
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Phrynobatrachidae
Genus: Phrynobatrachus
Species: P. sandersoni
Binomial name
Phrynobatrachus sandersoni
(Parker, 1935)

Phrynodon sandersoni Parker, 1935

Phrynobatrachus sandersoni (common name: Sanderson's hook frog) is a species of frog in the Phrynobatrachidae family. It is found in Cameroon and Equatorial Guinea.[2] It is named for Ivan Sanderson.[3]


Phrynobatrachus sandersoni live in the vicinity of streams in forest. They are only found in secondary habitats at higher elevations. It is a common species but it probably suffers from the loss of forest habitats.[1]


Phrynobatrachus sandersoni are small frogs: adults measure 21–26 mm (0.83–1.02 in) in snout–vent length. They have a distinct tympanum. Tips of fingers and toes are dilated into large T-shaped discs; the toes have moderate webbing. Breeding males exhibit nuptial pads, lateral vocal folds, femoral glands and enlarged pseudo-teeth in the lower jaw.[3]


Eggs are laid on leaves close to water, but not above water. Female frog may guard its egg clutch usually consisting of 12–17 eggs. The tadpole falls to the ground and develops on land. It has "semi-direct development": the tadpole relies on its yolk and does not eat; it lacks a fully developed alimentary canal.[1][3]


  1. ^ a b c IUCN SSC Amphibian Specialist Group (2013). "Phrynobatrachus sandersoni". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 10 May 2014. 
  2. ^ Frost, Darrel R. (2014). "Phrynobatrachus sandersoni (Parker, 1935)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 10 May 2014. 
  3. ^ a b c Zimkus, B. "Phrynobatrachus sandersoni (Parker, 1935)". African Amphibians. Retrieved 30 September 2015.